21585360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89939}}^1$

素因数の和:89955

約数の個数: 40

約数和(自身を含む): 66915360

約数和(自身を除く): 45330000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89939, 179878, 269817, 359756, 449695, 539634, 719512, 899390, 1079268, 1349085, 1439024, 1798780, 2158536, 2698170, 3597560, 4317072, 5396340, 7195120, 10792680, 21585360]

約数ペア:

[(1, 21585360), (2, 10792680), (3, 7195120), (4, 5396340), (5, 4317072), (6, 3597560), (8, 2698170), (10, 2158536), (12, 1798780), (15, 1439024), (16, 1349085), (20, 1079268), (24, 899390), (30, 719512), (40, 539634), (48, 449695), (60, 359756), (80, 269817), (120, 179878), (240, 89939)]